params = {
    "hydro_params/riemann" :  ["hllc", "hll", "acoustic", "exact", "llf"],
    "hydro_params/slope_type" : [1, 2, 3, 4, 6, 7, 8], # Note slope type 5 is not working
    "refine_params/interpol_var" : [0, 1, 2],
    "refine_params/interpol_type" : [0, 1 , 2, 3, 4],
}
